java跨线程调用

电玩女神 2021-09-21 14:04 334阅读 0赞

# 问题描述： #

当一个线程用作 javaFx 显示，另一个线程作为业务代码，以实现显示层的javaFX代码和业务逻辑的应用代码相分离，但这遇到到一个问题，当处于另一个线程中的业务代码要调用 javaFX进行显示时，会提示一个错误：不在同一个线程上，提示如下：

This operation is permitted on the event thread only; currentThread = main

# 解决方法： #

参考： [https://blog.csdn.net/qq\_43604520/article/details/106895872?utm\_medium=distribute.pc\_relevant.none-task-blog-searchFromBaidu-1.control&depth\_1-utm\_source=distribute.pc\_relevant.none-task-blog-searchFromBaidu-1.control][https_blog.csdn.net_qq_43604520_article_details_106895872_utm_medium_distribute.pc_relevant.none-task-blog-searchFromBaidu-1.control_depth_1-utm_source_distribute.pc_relevant.none-task-blog-searchFromBaidu-1.control]

将下面这个代码块包裹住你对应的修改javafx的代码语句

Platform.runLater(new Runnable() {
    		@Override
        	    public void run() {
        	        //更新JavaFX的主线程的代码放在此处
        	    }
    	});

具体如下:

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3podW9odWkzMDczMTc2ODQ_size_16_color_FFFFFF_t_70][]

[https_blog.csdn.net_qq_43604520_article_details_106895872_utm_medium_distribute.pc_relevant.none-task-blog-searchFromBaidu-1.control_depth_1-utm_source_distribute.pc_relevant.none-task-blog-searchFromBaidu-1.control]: https://blog.csdn.net/qq_43604520/article/details/106895872?utm_medium=distribute.pc_relevant.none-task-blog-searchFromBaidu-1.control&depth_1-utm_source=distribute.pc_relevant.none-task-blog-searchFromBaidu-1.control
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